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161
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162Published 1997“...National Science Foundation,...”
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163Published 1998“...National Science Foundation,...”
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164by Thomas, Eleanor“...National Science Foundation,...”
Published 1996
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Government Document Book -
165
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166Published 1994“...[National Science Foundation],...”
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1985 issue
Government Document Serial -
167Published 1994“...National Science Foundation,...”
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Government Document Serial -
168Published 1996“...National Science Foundation,...”
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Government Document Microform Serial -
169
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170
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171
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172
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173
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174Published 1982“...National Science Foundation,...”
Government Document Book -
175
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176
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177Published 1974“...National Science Foundation,...”
Government Document Book -
178Published 1970“...National Science Foundation,...”
Government Document Book -
179Published 1990“...[National Science Foundation],...”
Book -
180
Government Document Journal